At today's NextCruise announcement, automakers dragged out their leanest, meanest, greenest vehicles as a backdrop for the action. Of course, the fact that they were all SUVs was a bit ironic. But also on hand was a hot Corvette Z06 modified for Detroit Grand Prix pace duty and sipping E85 fuel. While no announcement… »7/23/08 4:00pm 7/23/08 4:00pm